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package com.sun.enterprise.deployment;

import java.util.Set;

/**
 * InjectionCapable describes a type of J2EE component environment resource
 * that is capable of being injected at runtime.
 *
 * @author Kenneth Saks
 */
public interface InjectionCapable {

    /**
     * True if a particular resource instance is injectable.  All injectable
     * resources are also exposed via their corresponding java:comp/env
     * namespaces, but not all resources in java:comp/env are injectable.
     * A resource is either field injectable or method injectable but never
     * both.
     */
    public boolean isInjectable();
    
    /**
     * @return the set of injection targets for this resource dependency
     */
    public Set<InjectionTarget> getInjectionTargets();
    
    /**
     * Add a new injection target for this dependency
     */
    public void addInjectionTarget(InjectionTarget target);

    /**
     * ComponentEnvName is the name of the corresponding java:comp/env
     * entry for the object that is to be injected.
     */
    public String getComponentEnvName();

    /**
     * This is the class name of the type of resource that is to be injected.
     */
    public String getInjectResourceType();
    public void setInjectResourceType(String resourceType);
    
}
